BuruExtreme Vibrating Massager is FREE but there are more add-ons

App Store Description

Ever felt like quickly massaging your body but realized you have nothing to do it with? Then you should try out this app, it turns your phone into a simple, vibrating massager!

Make sure you have 'Vibrate on Ring' turned on in your settings or else the vibration functionality won't work(as of iOS 10.3)!

FEATURES:- Basic massager- Adjustable speed/intensity, giving you many different patterns to choose from- Random vibration function- Test function to test the settings you enter- Easy to turn on and off- A simple, easy to use interface